CY8C9520A Overview
CY8C9520A CY8C9540A CY8C9560A 20-, 40-, and 60-Bit I/O Expander with EEPROM.
CY8C9520A Key Features
- I2C interface logic electrically patible with SMBus
- 4/8/16 PWM sources with 8-bit resolution
- Extendable soft addressing algorithm allowing flexible I2C
- Internal 3-/11-/27-Kbyte EEPROM
- User default storage, I/O port settings in internal EEPROM
- Optional EEPROM write disable (WD) input
- Interrupt output indicates input pin level changes and pulse width modulator (PWM) state changes
- Internal power on reset (POR)
- Internal configurable watchdog timer